Freeze Warning
URGENT - WEATHER MESSAGE
National Weather Service Salt Lake City UT
208 PM MDT Tue May 5 2026
UTZ107-114-061115-
/O.NEW.KSLC.FZ.W.0017.260506T0600Z-260506T1500Z/
Cache Valley/Utah Portion-Western Uinta Basin-
Including the following locations - Roosevelt, Logan, Smithfield,
and Duchesne
208 PM MDT Tue May 5 2026
...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT
WEDNESDAY...
* WHAT...Sub-freezing temperatures between 30-32 degrees expected.
* WHERE...Cache Valley/Utah Portion and Western Uinta Basin.
* WHEN...From midnight tonight to 9 AM MDT Wednesday.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take steps now to protect tender plants from the cold.
Drain in-ground sprinkler systems and cover above ground pipes.
&&
$$
For more information from the National Weather Service visit
https://weather.gov/saltlakecity.
For information on potential travel impacts visit
http://udottraffic.utah.gov
GM
URGENT - WEATHER MESSAGE
National Weather Service Riverton WY
1223 PM MDT Tue May 5 2026
WYZ003>006-010-011-017-018-020-061500-
/O.CON.KRIW.FZ.W.0002.260506T0700Z-260506T1500Z/
Cody Foothills-North Bighorn Basin-Southwest Bighorn Basin-
Southeast Bighorn Basin-Northeast Johnson County-Southeast
Johnson County-Wind River Basin-Lander Foothills-Natrona County
Lower Elevations-
Including the cities of Cody, Thermopolis, Greybull, Riverton,
Meeteetse, Ten Sleep, Shell, Kaycee, Lovell, Buffalo, Basin,
Clark, Worland, Lander, Powell, Casper, and Shoshoni
1223 PM MDT Tue May 5 2026
...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM MDT
WEDNESDAY...
* WHAT...Hard freezing temperatures ranging from 22 F to 28 F
degrees.
* WHERE...Lander Foothills, Natrona County Lower Elevations,
Southwest Bighorn Basin, Wind River Basin, Northeast Johnson
County, Southeast Bighorn Basin, Southeast Johnson County, Cody
Foothills, and North Bighorn Basin.
* WHEN...From 1 AM to 9 AM MDT Wednesday.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation, and possibly damage unprotected outdoor
plumbing.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take steps now to protect tender plants from the cold.
&&
$$
For more information from the National Weather Service, visit
https://weather.gov/riw/ .
Wittmann
URGENT - WEATHER MESSAGE
National Weather Service Grand Junction CO
1100 AM MDT Tue May 5 2026
COZ001-002-061000-
/O.UPG.KGJT.FZ.A.0011.260506T0600Z-260506T1500Z/
/O.NEW.KGJT.FZ.W.0017.260506T0600Z-260506T1500Z/
/O.CON.KGJT.FZ.A.0012.260507T0600Z-260507T1500Z/
Lower Yampa River Basin-Central Yampa River Basin-
Including the cities of Rangely, Dinosaur, Dinosaur National
Monument, Craig, Hayden, and Meeker
1100 AM MDT Tue May 5 2026
...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT
WEDNESDAY...
...FREEZE WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
THURSDAY MORNING...
* WHAT...For the Freeze Warning, sub-freezing temperatures as low as
25 expected. For the Freeze Watch, sub-freezing temperatures as
low as 20 possible.
* WHERE...Central Yampa River Basin and Lower Yampa River Basin.
* WHEN...For the Freeze Warning, from midnight tonight to 9 AM MDT
Wednesday. For the Freeze Watch, from late Wednesday night through
Thursday morning.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take steps now to protect tender plants from the cold.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
1206 AM MDT Tue May 5 2026
IDZ054-060300-
/O.NEW.KPIH.FZ.W.0013.260506T0900Z-260506T1500Z/
/O.CON.KPIH.LW.Y.0001.260505T1200Z-260506T0300Z/
Lower Snake River Plain-
Including the cities of Pocatello, Fort Hall, Blackfoot, Shelley,
and American Falls
1206 AM MDT Tue May 5 2026
...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 9
PM MDT THIS EVENING FOR AMERICAN FALLS RESERVOIR...
...FREEZE WARNING IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY...
* WHAT...For the Lake Wind Advisory for American Falls Reservoir,
northeast winds 15 to 20 mph with gusts up to 30 mph expected. For
the Freeze Warning, sub-freezing temperatures 27 to 32 expected.
* WHERE...Lower Snake River Plain.
* WHEN...For the Lake Wind Advisory, from 6 AM this morning to 9 PM
MDT this evening. For the Freeze Warning, from 3 AM to 9 AM MDT
Wednesday.
* IMPACTS...Strong winds and rough waves on area lakes will create
hazardous conditions for small craft. Frost and freeze conditions
could kill crops, other sensitive vegetation and possibly damage
unprotected outdoor plumbing.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Boaters on area lakes should use extra caution since strong winds
and rough waves can overturn small craft.
Take steps now to protect tender plants from the cold.
&&
$$
Winter Weather Advisory
URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
1222 PM MDT Tue May 5 2026
WYZ009-015-060700-
/O.CON.KRIW.WW.Y.0018.000000T0000Z-260506T0700Z/
Bighorn Mountains Southeast-Wind River Mountains East-
1222 PM MDT Tue May 5 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM MDT
WEDNESDAY...
* WHAT...Snow. Total snow accumulations between 8 and 12 inches for
South Pass and Powder River Pass. Total snow accumulations for
central portions of the Wind River Mountains of 12 to 18 inches.
Winds gusting as high as 30 to 40 mph.
* WHERE...Wind River Mountains East and Bighorn Mountains Southeast.
* WHEN...Until 1 AM MDT Wednesday.
* IMPACTS...Travel could be difficult, especially Tuesday afternoon.
The hazardous conditions could impact the Tuesday morning and
evening commutes over South Pass and Powder River Pass. Falling
snow combined with wind gusts around 30 to 40 mph will lead to
reductions in visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling.
For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter.
For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
1222 PM MDT Tue May 5 2026
WYZ019-030-061300-
/O.CON.KRIW.WW.Y.0018.260506T0000Z-260506T1300Z/
Green Mountains and Rattlesnake Range-East Sweetwater County-
Including the cities of Wamsutter and Jeffrey City
1222 PM MDT Tue May 5 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 7 AM MDT WEDNESDAY...
* WHAT...Snow expected. Total snow accumulations of 1 to 4 inches.
Winds gusting as high as 30 to 35 mph.
* WHERE...Green Mountains and Rattlesnake Range and East Sweetwater
County.
* WHEN...From 6 PM this evening to 7 AM MDT Wednesday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Tuesday evening and Wednesday morning
commutes, especially along Highway 287 through Jeffrey City and
along the I-80 corridor for eastern Sweetwater County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling.
For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter.
For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info.
&&
$$
For more information from the National Weather Service, visit
https://weather.gov/riw/ .
Wittmann
URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Junction CO
1111 AM MDT Tue May 5 2026
COZ018-019-061000-
/O.EXA.KGJT.WW.Y.0013.260506T0000Z-260507T0000Z/
Northwest San Juan Mountains-Southwest San Juan Mountains-
Including the cities of Telluride, Lizard Head Pass, Ouray, Red Mtn
Pass, Lake City, Silverton, Molas Pass, Coal Bank Pass, Rico, and
Hesperus
1111 AM MDT Tue May 5 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 PM
MDT WEDNESDAY ABOVE 10000 FEET...
* WHAT...Snow expected above 10000 feet. Total snow accumulations
between 4 and 8 inches, with locally higher amounts above
timberline. Winds gusting as high as 40 mph.
* WHERE...Northwest San Juan Mountains and Southwest San Juan
Mountains.
* WHEN...From 6 PM this evening to 6 PM MDT Wednesday.
* IMPACTS...Travel could be very difficult. The hazardous conditions
could impact the Wednesday morning and evening commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. The latest road
conditions for the state you are calling from can be obtained by
calling 5 1 1.
&&
$$
Lake Wind Advisory
URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
1206 AM MDT Tue May 5 2026
IDZ054-060300-
/O.NEW.KPIH.FZ.W.0013.260506T0900Z-260506T1500Z/
/O.CON.KPIH.LW.Y.0001.260505T1200Z-260506T0300Z/
Lower Snake River Plain-
Including the cities of Pocatello, Fort Hall, Blackfoot, Shelley,
and American Falls
1206 AM MDT Tue May 5 2026
...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 9
PM MDT THIS EVENING FOR AMERICAN FALLS RESERVOIR...
...FREEZE WARNING IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY...
* WHAT...For the Lake Wind Advisory for American Falls Reservoir,
northeast winds 15 to 20 mph with gusts up to 30 mph expected. For
the Freeze Warning, sub-freezing temperatures 27 to 32 expected.
* WHERE...Lower Snake River Plain.
* WHEN...For the Lake Wind Advisory, from 6 AM this morning to 9 PM
MDT this evening. For the Freeze Warning, from 3 AM to 9 AM MDT
Wednesday.
* IMPACTS...Strong winds and rough waves on area lakes will create
hazardous conditions for small craft. Frost and freeze conditions
could kill crops, other sensitive vegetation and possibly damage
unprotected outdoor plumbing.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Boaters on area lakes should use extra caution since strong winds
and rough waves can overturn small craft.
Take steps now to protect tender plants from the cold.
&&
$$
Frost Advisory
URGENT - WEATHER MESSAGE
National Weather Service Pocatello ID
1206 AM MDT Tue May 5 2026
IDZ051-055-060300-
/O.NEW.KPIH.FR.Y.0004.260506T0900Z-260506T1500Z/
Shoshone/Lava Beds-Eastern Magic Valley-
Including the cities of Burley, Shoshone, Rupert, Heyburn, Carey,
Oakley, and Richfield
1206 AM MDT Tue May 5 2026
...FROST ADVISORY IN EFFECT FROM 3 AM TO 9 AM MDT WEDNESDAY...
* WHAT...Temperatures 30 to 34 will result in frost formation.
* WHERE...Eastern Magic Valley and Shoshone/Lava Beds.
* WHEN...From 3 AM to 9 AM MDT Wednesday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take steps now to protect tender plants from the cold.
&&
$$
Visit weather.gov/pocatello for more information.
GK
Freeze Watch
URGENT - WEATHER MESSAGE
National Weather Service Albuquerque NM
1130 AM MDT Tue May 5 2026
NMZ201-218-060300-
/O.NEW.KABQ.FZ.A.0003.260507T0600Z-260507T1500Z/
Northwest Plateau-Santa Fe Metro Area-
1130 AM MDT Tue May 5 2026
...FREEZE WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH THURSDAY
MORNING...
* WHAT...Sub-freezing temperatures as low as 31 possible.
* WHERE...Santa Fe Metro Area and Northwest Plateau.
* WHEN...From late Wednesday night through Thursday morning.
* IMPACTS...Frost and freeze conditions could damage crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take steps now to protect tender plants from the cold.
&&
$$
11
URGENT - WEATHER MESSAGE
National Weather Service Grand Junction CO
1100 AM MDT Tue May 5 2026
COZ001-002-061000-
/O.UPG.KGJT.FZ.A.0011.260506T0600Z-260506T1500Z/
/O.NEW.KGJT.FZ.W.0017.260506T0600Z-260506T1500Z/
/O.CON.KGJT.FZ.A.0012.260507T0600Z-260507T1500Z/
Lower Yampa River Basin-Central Yampa River Basin-
Including the cities of Rangely, Dinosaur, Dinosaur National
Monument, Craig, Hayden, and Meeker
1100 AM MDT Tue May 5 2026
...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM MDT
WEDNESDAY...
...FREEZE WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
THURSDAY MORNING...
* WHAT...For the Freeze Warning, sub-freezing temperatures as low as
25 expected. For the Freeze Watch, sub-freezing temperatures as
low as 20 possible.
* WHERE...Central Yampa River Basin and Lower Yampa River Basin.
* WHEN...For the Freeze Warning, from midnight tonight to 9 AM MDT
Wednesday. For the Freeze Watch, from late Wednesday night through
Thursday morning.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take steps now to protect tender plants from the cold.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Grand Junction CO
1100 AM MDT Tue May 5 2026
COZ007-008-011-021>023-061000-
/O.CON.KGJT.FZ.A.0012.260507T0600Z-260507T1500Z/
Debeque to Silt Corridor-Central Colorado River Basin-Central
Gunnison and Uncompahgre River Basin-Four Corners/Upper Dolores
River-Animas River Basin-San Juan River Basin-
Including the cities of Collbran, De Beque, New Castle, Mesa,
Parachute, Rifle, Silt, Edwards, Eagle, Gypsum, Glenwood Springs,
Carbondale, Basalt, Montrose, Olathe, Delta, Hotchkiss, Paonia,
Cortez, Dove Creek, Mancos, Towaoc, Mesa Verde National Park,
Durango, Bayfield, Ignacio, and Pagosa Springs
1100 AM MDT Tue May 5 2026
...FREEZE WATCH REMAINS IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
THURSDAY MORNING...
* WHAT...Sub-freezing temperatures as low as 20 possible.
* WHERE...Animas River Basin, Four Corners/Upper Dolores River, San
Juan River Basin, Central Colorado River Basin, Central Gunnison
and Uncompahgre River Basin, and Debeque to Silt Corridor.
* WHEN...From late Wednesday night through Thursday morning.
* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take steps now to protect tender plants from the cold.
To prevent water pipes from freezing; wrap or drain or allow them to
drip slowly.
&&
$$
BW
Special Weather Statement
Special Weather Statement
National Weather Service Elko NV
403 PM PDT Tue May 5 2026
NVZ036-038-052345-
Southwest Elko County NV-
Northern Lander County and Northern Eureka County NV-
403 PM PDT Tue May 5 2026
...A STRONG THUNDERSTORM WILL IMPACT SOUTH CENTRAL ELKO AND
NORTHWESTERN EUREKA COUNTIES THROUGH 445 PM PDT...
At 402 PM PDT, Doppler radar was tracking a strong thunderstorm over
Carlin, moving southwest at 20 mph.
HAZARD...Wind gusts up to 40 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.
Locations impacted include...
Carlin, Palisade, Emigrant Pass, and South Area Mine.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4086 11613 4079 11593 4041 11607 4056 11646
TIME...MOT...LOC 2302Z 027DEG 27KT 4071 11611
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
$$
96
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Riverton WY
236 PM MDT Tue May 5 2026
WYZ001>020-022>030-070045-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin-
Owl Creek and Bridger Mountains-Bighorn Mountains West-
Bighorn Mountains Southeast-Northeast Johnson County-
Southeast Johnson County-Teton and Gros Ventre Mountains-
Jackson Hole-Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
236 PM MDT Tue May 5 2026
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM MDT
WEDNESDAY...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 7 AM MDT WEDNESDAY...
...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM MDT
WEDNESDAY...
This Hazardous Weather Outlook is for Western and Central Wyoming.
This will be the final issuance of the Hazardous Weather Outlook
text product from NWS Riverton. Similar hazardous weather
information covering possible hazardous weather over the next seven
days can be found in our Area Forecast Discussion, through our
office`s social media accounts, or on our website at
weather.gov/riverton.
.DAY ONE...This afternoon and tonight.
Shower activity continues across the region with a changeover to
snow overnight. Light accumulating snow is possible into the morning
hours Wednesday.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Cold temperatures Wednesday morning with shower activity coming to
an end later in the day. Dry with a warming trend for the rest of
the long term forecast.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Grand Junction CO
225 AM MDT Tue May 5 2026
COZ001>014-017>023-UTZ022>025-027>029-060830-
Lower Yampa River Basin-Central Yampa River Basin-
Roan and Tavaputs Plateaus-Elkhead and Park Mountains-
Upper Yampa River Basin-Grand Valley-Debeque to Silt Corridor-
Central Colorado River Basin-Grand and Battlement Mesas-
Gore and Elk Mountains/Central Mountain Valleys-
Central Gunnison and Uncompahgre River Basin-
West Elk and Sawatch Mountains-Flat Tops-Upper Gunnison River Valley-
Uncompahgre Plateau and Dallas Divide-Northwest San Juan Mountains-
Southwest San Juan Mountains-Paradox Valley/Lower Dolores River-
Four Corners/Upper Dolores River-Animas River Basin-
San Juan River Basin-Southeast Utah-Eastern Uinta Mountains-
Eastern Uinta Basin-Tavaputs Plateau-Arches/Grand Flat-
La Sal and Abajo Mountains-Canyonlands/Natural Bridges-
225 AM MDT Tue May 5 2026
On Sunday, May 10, 2026, the Hazardous Weather Outlook will no
longer be created or updated.
The product has been replaced by a graphical version that is
available on our webpage at weather.gov/erh/ghwo?wfo=gjt
Any questions on the change can be directed to
nws.grandjunction@noaa.gov
____________________________________________________________________
This Hazardous Weather Outlook is for northwest Colorado, southwest
Colorado, west central Colorado, east central Utah, northeast Utah
and southeast Utah.
.DAY ONE...Today and tonight.
Widespread showers, thunderstorms and mountain snows are possible
through the day and overnight. Winter Weather Advisories are in place
for the northern and central mountains for 4 to 8 inches of new snow,
with locally higher amounts possible.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
A Freeze Watch is in place for the northern valleys Wednesday morning
where lows are expected to drop to the mid-20s.
Rain and snow continues through Wednesday. A quick clipper may bring
a few showers to the northern mountains early Friday morning.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
